• A. (7x + 4) (5x - 3)
• B. (7x - 4) (5x - 3)
• C. (7x + 4) (5x + 3)
• D. (7x - 4) (5x + 3)

Answer: Option A

Explanation:

• A. $9$
• B. $27$
• C. $18$
• D. $81$

Answer: Option B

Explanation:

• A. 100101
• B. 101001
• C. 101010
• D. 100011

Answer: Option A

Explanation:

• A. ab
• B. 1
• C. 15
• D. ba

Answer: Option B

Explanation:

• A. $\frac{4}{5}$
• B. $\frac{3}{5}$
• C. $\frac{3}{4}$
• D. $\frac{4}{5}$

Answer: Option B

Explanation:

• A. log20
• B. log40
• C. log30
• D. log50

Answer: Option B

Explanation:

• A. $9$
• B. $16$
• C. $27$
• D. $64$

Answer: Option D

Explanation:

• A. 2/m
• B. 2m
• C. m/2

Answer: Option A

Explanation:

• A. 2N
• B. 3N
• C. 5N
• D. 7N

Answer: Option C

Explanation:

• A. 10
• B. 3
• C. 9
• D. 6

Answer: Option A

Explanation:

• A. - 8
• B. 4
• C. - 2
• D. 2

Answer: Option C

Explanation:

• A. 3, -2
• B. 4, -3
• C. 2, 3
• D. 1, 6

Answer: Option C

Explanation:

• A. x = 1, y = -1
• B. x = 1, y = 1
• C. x = -1, y = -1
• D. x = -1, y = 1

Answer: Option D

Explanation:

• A. ( 1 , -2 )
• B. ( 1 , ∞ )
• C. ( 1 2 , ∞ )
• D. ( − 1 , ∞ )

Answer: Option B

Explanation:

• A. (২,৪)
• B. (৪,-১)
• C. (১,১)
• D. (০,-২)

Answer: Option C

Explanation: